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Old 04-06-2010, 11:58 AM   #2
ppbon
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Join Date: Nov 2005
Location: Florida
Posts: 529
When the motor mount cracks, it allows two things that weren't there before:
a) The front of the engine settles down a bit (1 mm to 10 mm).
b) The engine will "twist" sideways as you accelerate.
Both of these movements put undue tension and misalignment into the shifting cables, making it harder to shift gears.
I've seen some cars where you could not shift into 2nd gear because of a bad front engine mount.
Happy Boxstering,
Pedro
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